Starting temperature is 21°C, the highest temperature is 32c. What is the change in temperature? ​

What signals you that factoring by grouping is the best method to use when factoring a problem?

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)

Write a similarity statement for the similar triangles. afgh ~ a